Improved extension-scaffold



in the county of Snyder, and State of Pennsylvania,

' sion-scaffold, which is intended to be used for paintingrETEE L. EarNs, 0E- EEEEEUEG, PENNSYLVANIA.

Letters Patent No. 96,2216, dated October 26, 1869.

IMPROVED EXTEN'SIQN-SCAFFOLD.

The Schedule referred to in these Letters P atent and making part of the same.

b exhibits the upright'shafts, in which the platform d, upon which the painter stands, is elevated, by means ofthe rope n, passing through pulley @and winding on the windlass e. The arms c, (and l in the extenson,) Test against the building, keeping the scaffold p'erpendicular; -the pressure of weight being toward the i building, keeping the centre of gravity between the' building and base of scaifold, the arms c also serving to bind the top of upright shafts.

The rope m passes through three pulleys, fq h, and winds on windlass la, and is used in elevating theplat-v A form d in the extension j, whichcomrnences at armsc.

Having thus fully described my invention,

What yI claim, and desire to secure by Letters Patent, is-

The upright shaftsb, extension j, pulleys, ,h, g, and f, ropes m and ,111,'and platform d, all constructed, arranged, andoperating substantially as herein described,

land for the purpose set forth.

` PETER L. HAINS.

To all whom it may concern Be it known that I, PE'rEnL. Hams, of Freeburg,

have invented certain new and useful Improvements in a Painters Extension-Scaold; and I do hereby declare that the following is a full, clear,'and exact de scription thereof, which will enable others skilled in the art to make and use the same, reference being` had to the accompanyingdrawing, forming part of this specification', in which y Figure No. 1 is a front view o said scaffold, embodying ni'y invention.

Figure No. 2 is a side view of same, showing more particularly the arms', platform, and cog-wheels.

The nature of my invention consists in'an extenpurposes, more particularly inbuildings where the useof a scaffold is indispensable.A By its use afpainter can elevate or lower himself with great convenience,- and with perfect safety, as hereinafter more fully described. p

A is the foundation upon which the superstructure rests, and should be substantially constructed.

Witnesses:

WM.' H. DILL,

F. G. GLASS. 

